Emegency Notification - Advanced PBX Feature Using SIP Protocol

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Provided by: International Journal of Computing Science and Information Technology (IJCSIT)
Topic: Security
Format: PDF
P-PBX (Private Branch Exchange) is used widely in many fields, it provides robust, high performance and intelligent IP telephony functions it supports the industry standard protocol Session Initiation Protocol (SIP), and offers the sophisticated telephony functions that meet the full spectrum of business requirements. In this paper, the characteristics of both IP-PBX function and new feature called emergency alert feature call flows are analyzed successfully. Most of the services shown in this paper are implemented in the SIP user agents, these features are not intended to be an exhaustive set, but rather show implementation of crisis alert feature likely to be implemented on SIP IP telephony in a business environment.
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